Aller au contenu

Best text-to-speech APIs in 2026

112 text-to-speech (TTS) models, scored out of 100 on the balance a voice agent needs: real-time speed (60), voice quality, accuracy and price. Every number comes from Coval, Speko or Artificial Analysis, with its date on the model page.

Updated after each benchmark capture Data checked on September 30, 2026 · Coval window ending October 1, 2026 How models are scored

Top 3 text-to-speech APIs in 2026

  1. 1. Gradium TTS Beta · 76.8/100 · P50 time-to-first-audio 47.2 ms (Coval)
  2. 2. Alibaba Qwen3 TTS Fast · 73.7/100 · P50 time-to-first-audio 64.6 ms (Coval)
  3. 2. Soniox TTS Real-Time v2 · 73.7/100 · P50 time-to-first-audio 245.6 ms (Coval)

Looking only at speed? The real-time TTS ranking orders models on P50, P99 and latency consistency alone.

Looking for an alternative? ElevenLabs alternatives · Cartesia alternatives · Inworld alternatives

Access
Languages tested
Top rated for
Benchmarks
Providers
Score tiers